Towel bar post



FIG. 1 is a perspective view showing my new design the broken-line disclosure being for illustrative purposes only and forming no part of the claimed design.

FIG. 2 is a top elevational view thereof.

FIG. 3 is a bottom elevational view thereof.

FIG. 4 is a left elevational view thereof.

FIG. 5 is a right elevational view thereof.

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a towel bar post, as shown and described. 